Add a default for P specific features

Test: Local build and boot
Change-Id: Ib0da4bbf4d50c8d97753c62ef0d762282ca57486
(cherry picked from commit 519a1b65f44b65be7456b80a0150e83efa85a2c0)
diff --git a/Android.bp b/Android.bp
new file mode 100644
index 0000000..7066a7d
--- /dev/null
+++ b/Android.bp
@@ -0,0 +1,4 @@
+cc_defaults {
+  name: "enabled_on_p_and_later",
+  enabled: true
+}